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...well, do you?
A well-defined sample space is one of three basic elements in a probabilistic model (a probability space); the other two are a well-defined set of possible events (a sigma-algebra) and a probability assigned to each event (a probability measure function).
well all it is is all of a sample or what you are testing i've never heard of 3 ways to identify it and im in Stat 3
hm, is there like a textbook or something that goes with your class?
I guess it would be something like: 1. counting principle 2. tree diagram 3. ????
yea its probably a text book method
i dont know :(
for the third one, I would guess making a table or just listing out outcomes
could it be these three? 1. independent event 2. compound event 3. tree diagram
maybe, where did you find those answers?
in my textbook
go with that then
ok i have more questions :)
Describe and give an example of a compound event?
If you flip three fair coins, what is the probability that you'll get heads on the first two flips and tails on the last flip?
is an example
whats the answer to that example?
uh, the question just asked to describe and give an example, but if you want the answer...
flipping three coins means that we can consider each coin separately 1. heads on first flip 2. tails on second flip 3. tails on third flip calculate each of those three probabilities separately, then multiply
so whats the answer?
but do you understand how to find that answer geny?
that's the important part
oh i was writing an explanation lol
geny, please explain how musicdude got the answer 0.5^3
i dont know.. im sorry i didnt want to sound dumb if i said no :(
its .5 *.5*.5 because it is a 1/2 prob of happening for each
do get why now?
its 3 different probs you multiply together because they are compound
so the answer is 0.5^3. How do you say that answer in words?
is it zero . five to the power of 3?
yeah, or just 0.125, or 1/8
0.5^3 = 0.125 = 1/8 take your pick
awesome. thanks :)